#81B2BB
Closest named color: Cool Steel (#97A7B3). oklch(73.2% 0.053 210.1), rgb(129, 178, 187).
Aa
Black text reads best on this color (9.01:1).
About this color
#81B2BB is a medium-light, muted teal or cyan. In OKLCH its lightness is 73%, its chroma 0.053 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.036 away. Black text reads best on it, at 9.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.01:1 |
| White text | 2.32:1 |
Values
| HEX | #81B2BB |
| RGB | rgb(129, 178, 187) |
| HSL | hsl(189, 30%, 62%) |
| OKLCH | oklch(73.2% 0.053 210.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #81B2BB | 2.32:1 | Fails | Lc -50.8 | Large or bold text, headings |
| Black text on #81B2BB | 9.01:1 | AAA | Lc 58.1 | Large or bold text, headings |
| #81B2BB text on white | 2.32:1 | Fails | Lc 45.9 | Large or bold text, headings |
| #81B2BB text on black | 9.01:1 | AAA | Lc -56.2 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDE0
oklch(88.6% 0.019 209.4)
-
Step 300
300
#A9C7CD
oklch(80.9% 0.033 211.1)
-
Step 400
400 (this color)
#81B2BB
oklch(73.2% 0.053 210.1)
-
Step 500
500
#5595A0
oklch(63.1% 0.068 209.7)
-
Step 600
600
#367F8B
oklch(55.6% 0.074 209.9)
-
Step 700
700
#286B76
oklch(49% 0.069 210.1)
-
Step 800
800
#235760
oklch(42.6% 0.057 210.6)
-
Step 900
900
#22484F
oklch(37.7% 0.045 211)
-
Step 950
950
#152A2E
oklch(26.9% 0.028 211.1)
#81B2BB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #AAAEBC | 0.052 |
| Deuteranopia (no green cones) | #A0A7BB | 0.046 |
| Tritanopia (no blue cones) | #6DB6B5 | 0.026 |
| Achromatopsia (no color) | #AAAAAA | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81B2BB
#81B2BB
oklch(73.2% 0.053 210.1)
- #C89C95
#C89C95
oklch(73.2% 0.054 28.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #81B2BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.036
- Bluegrey #85A3B2 ΔE 0.040
- Pewter #96A8A1 ΔE 0.042
- Cool Grey #95A3A6 ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.048
- Greyblue #77A1B5 ΔE 0.050
- Dark Gray #A9A9A9 ΔE 0.053
- Light Grey Blue #9DBCD4 ΔE 0.056
Use #81B2BB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.